Вживання конструкцій " was / were та wasn't / weren't"

The cat ... on the tree yesterday.

It ... snowy and cold yesterday.

My friends ... at school yesterday.

My sister and I ... at the cinema last afternoon.

We ... at the supermarket last afternoon.

We ... at the playground last weekend.

My mum ... at the chemist yesterday.

We ... at the zoo last Sunday.

My mum ... at the bookshop yesterday.

My mum and dad ... at the cinema yesterday.

She was ... yesterday.

She was .... yesterday.